the; microscopicai. journai, advertiser. 



Two Zentmayer Microscope stands as follows 

 Centennial binocular with mechanical stage, also glass-sliding 

 stage; separate nose-piece for wide angle objectives; 5 eye-pieces. 

 Walnut case. Cost i^ 360. Is offered as new: price $175. 



Grand American monocular (nose-piece, fine adjustment) with 

 mechanical stage, centering on substage, 3 eye-pieces, mahogany 

 case. Cost ^220. In perfect condition: price $75. 



Walter H. Mead, 65 Wall St., NEW YORK CITY. 



WANT, SALE AND EXCHANGE NOTICES. 



FOR SALE AT A BARGAIN. — A Beck New National Microscope with full line of accessories, 500 mounted 

 slides, etc. Address— A. C. GRUHLKE, Waterloo, Ind. 



THE AMERICAN MAGAZINE OF NATURAL SCIENCE is a popular illustrated Magazine for all who love 

 the great world of nature. If you are interested iu any branch of Natural Science it will please you. Fifty cents 

 ayear with premium. Samples for stamp. FRED R. STEARNS, Editor, Sac City, Iowa. 



FOR SALE. — A i inch objective (65°), Bausch & Lomb professional in good condition. 



J. CHKISTIAN BAY, Des Moines, Iowa. 



FOR SALE. — First class Botanical mounts, 25 cents. Send for list; also will exchange. 



I. PERCY BLACKMAN, Sandy Hook, Conn. 



WANTED. — Material containing Foramiuifera, recent or fossil. Will give other ma- 

 terial named slides of Foraminifera or miscellaneous slides in exchange. 



F. S. MORTON, 158 Cumberland St., Portland, Maine. 



FOR SALE OR EXCHANGE. — Stained Eiatoms from Keene, N. H. Price 50 cents. 

 Unstained slides of same, in balsam. Price 30 cents. 



WILLIAM LIGHTON, 2511 Seward St., Omaha, Nebr. 



FOR EXCHANGE. — 20 Portable Cabinets each 12 trays for 72 objects, some mahog- 

 any : others solid rosewood, one Pillsbury's 20 boxes for 500 slides, worth from $3 to $5 

 each ; in exchange for rare slides, Histological and Pathological not wanted, or for Mi- 

 croscopical books not already in my library. Wolle's Desmid Wanted. 



DR. MATHIAS COOK, Utica, N, Y. 



READ the nice stories in Lippincott's Monthly Magazine. You can save 50 cents, 

 (club rate) by subscribing for Lippincott through us. MICR. PUB. CO. 



FOR SALE. — A limited number of slides illustrative of the " Studies of the Histology 

 of various Mammalian tissues" cau be had at 50 cents each. 



H. L. OSBORN, St.' Paul, Minn. 



FOR SALE. — Nicely mounted slides of Rhinoceros horn, at 40 cents each. 



H. H. DAVISON, 41 Sumner St., Pautucket, R. I. 

 FOR SALE.— Pritchard's Infusoria (latest edition, colored plates) and Smith's British 

 Diatomacerc (2 vols., uncut). These works are very scarce and can only be got, as in this 

 case, when a microscopist finishes using them. Price $60. 



No Sig., Care C. W. SMILEY. 

 WANTED.— A chemical balance. State price, degree of sensitiveness and condition. 



F. L. J. BOETTCHER, 218 2ud St. N. E., Washington, D. C. 

 FOR EXCHANGE.— The Museum of Hauiline University desires to exchange Atlan- 

 tic Shells, preserved specimens of Marine Zoology of microscopic slip slides tor zoological 

 specimens especially Rodents in the flesh from Southwesten United States, Correspondence 

 solicited, HENRY L. OSBORN, Hamline Univ.,, St. Paul, Minnesota. 



